She was called "The Florence Nightingale of America." From the fighting at Gettysburg to the capture of Richmond, this young Quaker nurse worked tirelessly to relieve the suffering of soldiers. She was one of the great heroines of the Union. Cornelia Hancock served in field and evacuating hospitals, in a contraband camp, and (defying authority) on the battlefield. Her letters to family members are witty, unsentimental, and full of indignation about the neglect of wounded soldiers and black refugees.